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spi: atmel-quadspi: return appropriate error code 

Return -ENOTSUPP when atmel_qspi_find_mode() fails. Propagate
the error in atmel_qspi_exec_op().

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tudor Ambarus 2019-02-05 17:33:19 +00:00 committed by Mark Brown
parent 9ce4c5128b
commit 2aaa8dd093
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
drivers/spi/atmel-quadspi.c
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@ -198,7 +198,7 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op)
if (atmel_qspi_is_compatible(op, &sama5d2_qspi_modes[i])) if (atmel_qspi_is_compatible(op, &sama5d2_qspi_modes[i]))
return i; return i;
return -1; return -ENOTSUPP;
} }
static bool atmel_qspi_supports_op(struct spi_mem *mem, static bool atmel_qspi_supports_op(struct spi_mem *mem,
@ -238,7 +238,7 @@ static int atmel_qspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
mode = atmel_qspi_find_mode(op); mode = atmel_qspi_find_mode(op);
if (mode < 0) if (mode < 0)
return -ENOTSUPP; return mode;
ifr |= sama5d2_qspi_modes[mode].config; ifr |= sama5d2_qspi_modes[mode].config;